Microcapsules and light-sensitive recording material using the same

Claim 2

Microcapsules containing (a) a vinyl compound which has at least two polymerizable, ethylenically unsaturated groups linked to each other through a linking group comprising a chemical bond capable of being split by the action of an acid, (b) a thermal polymerization initiator, and (c) one or more compounds capable of producing acid when irradiated with actinic radiation.

Claim 3

Microcapsules as in claim 1, wherein the chemical bond capable of being split by the action of an acid is an acetal, and amido-acetal bond, an orthoester bond, a vinyl ether bond, a silyl ester bond, a silyl ether bond, a N-acylimino carbonic acid bond, a carbonic acid bond, a cumyl ester bond, a trityl ester bond, a silyl-oximether bond, or a borate bond.

Claim 4

Microcapsules as in claim 2, wherein said chemical bond is a silyl ester bond or a silyl ether bond.

Claim 5

Microcapsules as in claim 1, wherein said vinyl compound is a compound represented by formula (I) or (II) ##STR11## wherein R 1 represents a hydrogen atom, a halogen atom, or an unsubstituted or substituted alkyl group; R 2 and R 3 each represents a hydrogen atom, a substituted or unsubstituted alkyl, alkenyl, aryl, or aralkyl group, or --OR 5 ; R 4 represents an unsubstituted or substituted n-valent aliphatic or aromatic hydrocarbon; R 5 represents an unsubstituted or substituted alkyl, aryl, or aralkyl group; A represents a single chemical bond, ##STR12## R 6 represents an unsubstituted or substituted divalent aliphatic or aromatic hydrocarbon; R 7 represents a hydrogen atom, an unsubstituted or substituted alkyl, aryl, or aralkyl group, or --CO--R 8 ; R 8 represents an unsubstituted or substituted alkyl, aryl, or aralkyl group; m represents an integer of from 2 to 4; and n represents an integer of 2 or more.

Claim 6

Microcapsules as in claim 4, wherein R 1 represents a hydrogen atom or an unsubstituted or subsituted alkyl group; R 2 and R 3 each represents an unsubstituted or substituted alkyl, aryl, or aralkyl group; R 5 represents an alkyl group containing from 1 to 8 carbon atoms or an aryl group containing from 6 to 15 carbon atoms; R 7 represents a hydrogen atom, an alkyl group containing from 1 to 4 carbon atoms, or --CO--R 8 ; and R 8 represents an alkyl group containing from 1 to 4 carbon atoms or an aryl group containing from 6 to 10 carbon atoms.

Claim 7

Microcapsules as in claim 1, wherein said thermal polymerization initiator is at least one of an azo compound and peroxide compound.

Claim 8

Microcapsules as in claim 4, wherein said thermal polymerization initiator is at least one of an azo compound and peroxide compound.

Claim 9

Microcapsules as in claim 1, wherein said thermal polymerization initiator is used in an amount of from 0.01 to 10 wt %, based on the weight of said vinyl compound.

Claim 10

Microcapsules as in claim 7, wherein said thermal polymerization initiator is used in an amount of from 0.1 to 5 wt %, based on the weight of said vinyl compound.

Claim 11

Microcapsules as in claim 1, wherein the compound(s) capable of producing acid when irradiated with actinic irradiation is used in a molar ratio of from 0.0001/1 to 10/1 based on the molar content of said vinyl compound.

Claim 12

A light-sensitive recording material which has on its support microcapsules containing (a) a vinyl compound represented by formula (I) or (II) ##STR13## wherein R 1 represents a hydrogen atom, a halogen atom, or an unsubstituted or substituted alkyl group; R 2 and R 3 each represents a hydrogen atom, a substituted or unsubstituted alkyl, alkenyl, aryl, or aralkyl group, or --OR 5 ; R 4 represents an unsubstituted or substituted n-valent aliphatic or aromatic hydrocarbon; R 5 represents an unsubstituted or substituted alkyl, aryl, or aralkyl group; A represents a single chemical bond, ##STR14## R 6 represents an unsubstituted or substituted divalent aliphatic or aromatic hydrocarbon; R 7 represents a hydrogen atom, an unsubstituted or substituted alkyl, aryl, or aralkyl group, or --CO--R 8 ; R 8 represents an unsubstituted or substitited alkyl, aryl, or aralkyl group; m represents an integer of from 2 to 4; and n represents an integer of 2 or more, (b) a thermal polymerization initiator, and (c) one or more compounds capable of producing acid when irradiated by actinic radiation, or a thermally cured product of said microcapsules.

Claim 13

A light-sensitive recording material which has on its support microcapsules containing (a) a vinyl compound represented by formula (I) or (II) ##STR13## wherein R 1 represents a hydrogen atom, a halogen atom, or an unsubstituted or substituted alkyl group; R 2 and R 3 each represents a hydrogen atom, a substituted or unsubstituted alkyl, alkenyl, aryl, or aralkyl group, or --OR 5 ; R 4 represents an unsubstituted or substituted n-valent aliphatic or aromatic hydrocarbon; R 5 represents an unsubstituted or substituted alkyl, aryl, or aralkyl group; A represents a single chemical bond, ##STR14## R 6 represents an unsubstituted or substituted divalent aliphatic or aromatic hydrocarbon; R 7 represents a hydrogen atom, an unsubstituted or substituted alkyl, aryl, or aralkyl group, or --CO--R 8 ; R 8 represents an unsubstituted or substitited alkyl, aryl, or aralkyl group; m represents an integer of from 2 to 4; and n represents an integer of 2 or more, (b) a thermal polymerization initiator, and (c) one or more compounds capable of producing acid when irradiated by actinic radiation, or a thermally cured product of said microcapsules.

Claim 14

A light-sensitive recording material as in claim 11, wherein R 1 represents a hydrogen atom or an unsubstituted or substituted alkyl group; R 2 and R 3 each represents an unsubstituted or substituted alkyl, aryl, or aralkyl group; R 5 represents an alkyl group containing from 1 to 8 carbon atoms or an aryl group containing from 6 to 15 carbon atoms; R 7 represents a hydrogen atom, an alkyl group containing from 1 to 4 carbon atoms, or --CO--R 8 ; and R 8 represents an alkyl group containing from 1 to 4 carbon atoms or an aryl group containing from 6 to 10 carbon atoms.

Claim 15

A light-sensitive recording material as in claim 11, wherein said thermal polymerization initiator is at least one of an azo compound and peroxide compound.

Claim 16

A light-sensitive recording material as in claim 11, wherein said thermal polymerization initiator is at least one of an azo compound and peroxide compound.

Claim 17

A light-sensitive recording material as in claim 11, wherein said thermal polymerization initiator is used in an amount of from 0.01 to 10 wt %, based on the weight of said vinyl compound.

Claim 18

A light-sensitive recording material as in claim 14, wherein said thermal polymerization initiator is used in an amount of from 0.1 to 5 wt %, based on the weight of said vinyl compound.

Claim 19

A light-sensitive recording material as in claim 11, wherein the compound(s) capable of producing acid when irradiated with actinic irradiation is used in a molar ratio of from 0.0001 to 10/1 based on the molar content of said vinyl compound.